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134         """Walk upwards looking for ancestor with this token type."""
139 """Walk upwards and get first ancestor with this token type."""
786 # walk rest and decrement their child indexes
890 """Walk upwards looking for ancestor with this token type."""
894 """Walk upwards and get first ancestor with this token type."""
1322 are set. Walk depth first, visit bottom up. Only updates nodes
1727 walk recursively from start until stop. You can always return
1867 """Walk tree with depth-first-search and fill nodes buffer.
2137 # walk nodes looking for start
2143 # now walk until we see stop, filling string buffer with text
2274 # walk upwards until we see nodes[ni-1] then continue walking
2400 """Do a depth first walk of a tree, applying pre() and post() actions
2412 before/after having visited all of its children. Bottom up walk.
2427 # if rewritten, walk children of new t
2469 # navigation nodes to return during walk and at end